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jolli1 [7]
3 years ago
13

I need help I can't find which one it is

Mathematics
2 answers:
lawyer [7]3 years ago
8 0
The real number has to be 0
Alenkasestr [34]3 years ago
5 0
9, 10, and 14 are real numbers. The cubed root of 343 is 7, and 52 divided by 13 is 4
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What are the lateral area and the surface of the cone shown below?
Ierofanga [76]
\bf \textit{lateral surface area of a cone}\\\\
LA=\pi r\stackrel{slant~height}{\sqrt{r^2+h^2}}~~
\begin{cases}
r=radius\\
h=height\\
-------\\
r=11\\
\stackrel{slant~height}{\sqrt{r^2+h^2}}=24
\end{cases}\implies LA=\pi (11)(24)
\\\\\\
\boxed{LA=264\pi }\\\\
-------------------------------

\bf \textit{total surface area of a cone}\\\\
SA=\pi r\stackrel{slant~height}{\sqrt{r^2+h^2}}+\pi r^2~~
\begin{cases}
r=radius\\
h=height\\
-------\\
r=11\\
\stackrel{slant~height}{\sqrt{r^2+h^2}}=24
\end{cases}
\\\\\\
SA=\pi (11)(24)+\pi (11)^2\implies SA=264\pi +121\pi 
\\\\\\
\boxed{SA=385\pi }
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